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Finding the Fourth Proportional to 358,672.08, 538,005.96 and 109,354.08

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Solution

The fourth proportional to 358,672.08, 538,005.96 and 109,354.08 is: 164,030.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    358,672.08 : 538,005.96 = 109,354.08 : x
  2. Step 2: Convert to fraction form
    358,672.08/538,005.96 = 109,354.08/x
  3. Step 3: Cross multiply
    358,672.08x = 538,005.96 × 109,354.08
  4. Step 4: Simplify right side
    358,672.08x = 58,833,146,790.32
  5. Step 5: Solve for x
    x = 58,833,146,790.32/358,672.08
  6. Step 6: Final answer
    x = 164,030.46

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.